What foods lower your testosterone?

The foods that genuinely work against your testosterone are the ones that drive weight gain, inflammation and blood-sugar problems, not the single "scary" foods the internet loves to blame.

The real culprits are dietary patterns rather than individual villains:

• Ultra-processed foods, refined sugar and trans fats, which promote body fat and insulin resistance, and since fat converts testosterone into oestrogen, that is the main way food lowers your levels
• Excess alcohol, which adds its own direct hit (see does alcohol lower testosterone)
• Very low-fat dieting, because your body needs some dietary fat to make hormones in the first place

That last point surprises people. Cutting fat too hard, often in the name of "clean eating", can leave you short of the raw material your body uses to build testosterone, so an extreme low-fat diet can backfire. The sweet spot is enough healthy fat, not none.

What about the famous fears, soy, dairy and mint? For normal intake, the evidence simply does not support them as meaningful testosterone-killers. Soy in particular has been cleared by large reviews, covered in does soy lower testosterone, and chasing these myths distracts from what actually matters.

Two genuine, if niche, exceptions are worth a mention so the picture is honest. Trans fats, found in some fried and heavily processed foods, are associated with lower testosterone and sperm quality, and large amounts of liquorice (the real glycyrrhizin kind, not most sweets) can transiently lower testosterone. Both are easy to avoid and neither is the everyday villain the internet fixates on.

What to do: do not fixate on banning specific foods. Build the pattern that supports testosterone instead, the mirror image of this list and the heart of foods that increase testosterone: whole foods, enough protein, healthy fats such as olive oil, eggs, oily fish and nuts, plenty of vegetables, and limited ultra-processed food, sugar and alcohol. Stay lean and well-fuelled, and your diet works for your hormones rather than against them.

The foods to limit: alcohol, added sugar, trans fats, ultra-processed foods and liquorice — or see the full food library for what to eat instead.